Lewis Short
gustātĭo (noun F) : id.; a first tasting of food; hence
* The first light dish of a Roman meal, an antepast, whet: jussi discubuimus, et gustatione mirifica initiati vino etiam Falerno inundamur,Petr. 21, 6; 31, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary